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Keywords ultrafine particle;ZnO;fluorescence center;photoreaction; 超微粒子;氧化锌;荧光中心;光反应;
Keywords Ultrafine particle;Photocurrent;Irion oxide; 超微粒;氧化铁;光电流;
Keywords ultrafine particle;catalyst;alkoxide process;hydrogenation;insect-white wax; 超细粒子;催化剂;醇盐法;加氢;虫白蜡;
Keywords Ultrafine particle;Styrene;Divinylbenzene;Photon correlation spectroscopy;Diffusion coefficient; 超微粒;苯乙烯;二乙烯基苯;光子相关光谱;扩散系数;
Keywords ultrafine particle;magnesium ferrite;ethylbenzene;cyclohexane;oxydehydrogenation;styrene; 超微粒子;铁酸镁;乙苯;环己烷;氧化脱氢;苯乙烯;
Keywords ultrafine particle;dispersant;electrostatic stabilization;steric hindrance stabilization; 超细粉体;分散剂;静电稳定;空间位阻;
Keywords ultrafine particles;nanometer powder;nanophase materials; 超微粒子;纳米粉末;纳米材料;
The ferrite ultrafine particle catalysts which contain Zn,Ni and Co were prepared by sol gel method and characterized by DTA TG,IR,XRD and BET methods. 采用溶胶凝胶法制备了含Zn、Ni、Co的铁酸盐超微粒子催化剂 ,运用DTA TG、IR、XRD以及BET比表面测试等手段对所制备的样品进行了表征。
The spinel ferrite ultrafine particle catalysts were prepared by sol-gel method and characterized by DTA-TG, IR, XRD and BET surface area measurement methods. 采用溶胶 -凝胶法制备了含Zn、Ni、Co的铁酸盐纳米微粒催化剂 ;运用DTA -TG、IR、XRD以及BET比表面测试等手段对所制备的样品进行了表征 .
The preparation,types and its application in catalysis of high dispersing ,supported,ultrafine particle catalysts are reviewed. The applied prospects of these catalysts is looked. 本文综述了高分散负载型超细粒子催化剂的制备及其在催化中应用的现状,展望了该类催化剂的应用前景。
Objective To study the effects of Kaiwei Jinshi decoction with the ultrafine particle on the normal gastric evacuatian and small intestinal propulsion in mice. 摘要目的研究开胃进食汤超微配方颗粒对正常小鼠胃排空、小肠推进活动的影响。
Surface characterization and bulk phase structure for ultrafine particle of iron carbide catalyst in Fischer Tropsch synthesis were studied by means of XPS and XRD. 应用光电子能谱研究催化剂表面化学状态的变化，属当前催化领域的新课题。
This paper gives a brief introduction to SCF and new methods of obtaining ultrafine particle by SCF repaid expansion of supercritical solution(RESS),supercritical anti-solvent(SAS),superc. 本文介绍了近年来开发的一些新方法和新工艺,诸如超临界溶液快速膨胀法,超临界流体抗溶剂法,超临界流体化学反应和超临界干燥法。
Keywords Titanium oxide;Dispersion;Ultrafine particle;Photoeffect; 分散作用;超微粉;光效应;
Keywords titania;ultrafine particle;vapor-phase oxidation; 二氧化钛;超细粒子;气相氧化;
Keywords MoO 3/SiO 2 sol gel method ultrafine particle TEM BET TPR; 醇盐法;超细粒子;透射电镜;比表面积;程序升温还原;
Objective: To investigate microemulsion reaction methods in preparing sulfadiazine silver ultrafine particles. 目的:应用微乳液反应法制备磺胺嘧啶银均匀微晶,并评价其质量。
Vacuum drying method will lighten the agglomeration of ultrafine particles during the drying process as well. 真空干燥方法可以减轻莫来石超细粉粒子在干燥过程中的团聚。
Hyperdispersants developed in the past around two decades have a superior dispersion property for ultrafine particles. 超分散剂是近年来开发成功的新一代分散剂,对超细颗粒在介质中稳定分散极为有效。
Keywords ultrafine zirconia powder;average particle size;piezoceramics; 超细二氧化锆;中位粒径;压电陶瓷;